Question

find the overall discount if there are 3 successive discounts of 10% each​

Answer 1

Step-by-step explanation:

overall discount = d%

1-d% = (1-10%)(1-10%)(1-10%)

1-d% = 0.9³ = 0.729

d% =( 1-0.729) = 0.271

d= 0.271×100 = 27.1%